Qisano
type: MusicGroup
popularity: 13
followers: 2460
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3dee4f0ee98e6ec96d88ae248d6149b1bcc153e9dd1917df64b77da8209660b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953621
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953621
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ebf875e-5f88-45a6-b733-fd000ff77411.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ebf875e-5f88-45a6-b733-fd000ff77411.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ebf875e-5f88-45a6-b733-fd000ff77411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:42:57Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dee4f0ee98e6ec96d88ae248d6149b1bcc153e9dd1917df64b77da8209660b4. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ebf875e-5f88-45a6-b733-fd000ff77411.json and https://artists.proofprofile.net/proofs/artist/1ebf875e-5f88-45a6-b733-fd000ff77411.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:42:57Z
album: 574
  type: MusicAlbum
  date published: 2020-12-13
  track: 574
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217796
    explicit: false
    by artist: Qisano
    in album: 574
      type: MusicAlbum
      date published: 2020-12-13
    isrc code: TCJPN2029202
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x46780c77ff947d6be6a2d346354992a54453e28ddc08a7de05b4c591de8095ba
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2029202
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46780c77ff947d6be6a2d346354992a54453e28ddc08a7de05b4c591de8095ba. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2029202.
      date published: 2026-07-18T04:13:26Z
    audio: 574
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 177.062
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.548
      additional property: Energy
        type: PropertyValue
        value: 0.913
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.088
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.965
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.752
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 574
  type: MusicAlbum
  date published: 2020-12-13
  track: 574
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217796
    explicit: false
    by artist: Qisano
    in album: 574
      type: MusicAlbum
      date published: 2020-12-13
    isrc code: TCJPN2029202
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T18:49:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x46780c77ff947d6be6a2d346354992a54453e28ddc08a7de05b4c591de8095ba
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958196
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958196
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2029202
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T20:38:50Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46780c77ff947d6be6a2d346354992a54453e28ddc08a7de05b4c591de8095ba. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2029202.
      date published: 2026-07-15T20:38:50Z
    audio: 574
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 177.062
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.548
      additional property: Energy
        type: PropertyValue
        value: 0.913
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.088
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.965
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.752
      additional property: Key Name
      additional property: Mode Name
album: Melancholic repaint
album: メランコリック・リペイント
album: Amatsumizu
album: アマツミズ
album: Failed creative work
album: 失敗作
album: カンタービレ
album: Cantabile
album: Clumsy
album: クラムジー
album: 風うぜえ
album: Wind's annoying
album: Armed girl
album: 武装少女
album: メインキャスト
album: えんぷてぃかろりー
album: Empty Calory
album: Main cast
album: アンビション
album: Ambition
album: Pinky Swear
album: ベリタブル
album: ゆびきり
album: Veritable
album: キーマ
album: Keema
album: Echo
album: 反響
album: インポータント
album: Important
album: タイニーソング
album: Tiny Song
album: STAND BY ME
album: スタンドバイミー
album: 終止符
album: Period
album: Cubism
album: キュビズム
album: coin laundry
album: コインランドリー
album: 君とギターとコーヒーとスナックパン
album: You, Guitar, Coffee and Sweet Bread
album: 生きる
album: live
album: Be honest
album: すなお
album: シティポップ
album: CITY POP
album: WAKATTEITE
album: 分かっていて
album: Nemophila
album: ネモフィラ
album: 何度も
album: Again

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Melancholic repaint
type: MusicAlbum
date published: 2021-03-06

メランコリック・リペイント
type: MusicAlbum
date published: 2021-03-06

Amatsumizu
type: MusicAlbum
date published: 2021-04-03

アマツミズ
type: MusicAlbum
date published: 2021-04-03

Failed creative work
type: MusicAlbum
date published: 2021-05-03

失敗作
type: MusicAlbum
date published: 2021-05-03

カンタービレ
type: MusicAlbum
date published: 2021-07-17

Cantabile
type: MusicAlbum
date published: 2021-07-17

Clumsy
type: MusicAlbum
date published: 2021-08-03

クラムジー
type: MusicAlbum
date published: 2021-08-03

風うぜえ
type: MusicAlbum
date published: 2021-09-11

Wind's annoying
type: MusicAlbum
date published: 2021-09-11

Armed girl
type: MusicAlbum
date published: 2021-10-27

武装少女
type: MusicAlbum
date published: 2021-10-27

メインキャスト
type: MusicAlbum
date published: 2021-11-10

えんぷてぃかろりー
type: MusicAlbum
date published: 2021-12-11

えんぷてぃかろりー
type: MusicAlbum
date published: 2021-12-11

Empty Calory
type: MusicAlbum
date published: 2021-12-11

メインキャスト
type: MusicAlbum
date published: 2021-12-18

Main cast
type: MusicAlbum
date published: 2021-12-18

アンビション
type: MusicAlbum
date published: 2022-08-13
track: アンビション
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200314
  explicit: false
  by artist: Qisano
  in album: アンビション
    type: MusicAlbum
    date published: 2022-08-13
  isrc code: TCJPS2265618
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T03:16:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a375820219338d7038422ab04e919c39beb8d2a5edb1ed115d32094af63fd04
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPS2265618
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a375820219338d7038422ab04e919c39beb8d2a5edb1ed115d32094af63fd04. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPS2265618.
    date published: 2026-07-06T07:16:32Z
  audio: アンビション
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.029
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.684
    additional property: Energy
      type: PropertyValue
      value: 0.938
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.025
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.34
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.861
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.402
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ambition
type: MusicAlbum
date published: 2022-08-13

Pinky Swear
type: MusicAlbum
date published: 2022-10-01
track: Pinky Swear
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186143
  explicit: false
  by artist: Qisano
  in album: Pinky Swear
    type: MusicAlbum
    date published: 2022-10-01
  isrc code: TCJPT2207207
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T17:56:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6f8f025bde3147d00c98b08120d14f5426e1862a3649c7c634c22b6f9f3e0587
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2207207
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8f025bde3147d00c98b08120d14f5426e1862a3649c7c634c22b6f9f3e0587. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2207207.
    date published: 2026-07-05T19:27:56Z
  audio: Pinky Swear
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 181.993
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.571
    additional property: Energy
      type: PropertyValue
      value: 0.901
    additional property: Speechiness
      type: PropertyValue
      value: 0.199
    additional property: Acousticness
      type: PropertyValue
      value: 0.043
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.039
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.842
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.538
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

ベリタブル
type: MusicAlbum
date published: 2022-10-01

ゆびきり
type: MusicAlbum
date published: 2022-10-01

Veritable
type: MusicAlbum
date published: 2022-10-01

キーマ
type: MusicAlbum
date published: 2022-12-10

Keema
type: MusicAlbum
date published: 2022-12-10
track: Keema
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188714
  explicit: false
  by artist: Qisano
  in album: Keema
    type: MusicAlbum
    date published: 2022-12-10
  isrc code: TCJPT2285252
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:02:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9782a58a4f1a757d70a2752f079749bd683162063f2855d8c0dbcc5d88dbb6b1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2285252
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9782a58a4f1a757d70a2752f079749bd683162063f2855d8c0dbcc5d88dbb6b1. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2285252.
    date published: 2026-07-06T01:26:17Z
  audio: Keema
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.505
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.923
    additional property: Speechiness
      type: PropertyValue
      value: 0.079
    additional property: Acousticness
      type: PropertyValue
      value: 0.022
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.266
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.914
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.792
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Echo
type: MusicAlbum
date published: 2023-01-09

反響
type: MusicAlbum
date published: 2023-01-09

インポータント
type: MusicAlbum
date published: 2023-02-02

Important
type: MusicAlbum
date published: 2023-02-02

タイニーソング
type: MusicAlbum
date published: 2023-05-02

Tiny Song
type: MusicAlbum
date published: 2023-05-02

STAND BY ME
type: MusicAlbum
date published: 2023-06-18

スタンドバイミー
type: MusicAlbum
date published: 2023-06-18

終止符
type: MusicAlbum
date published: 2023-09-09

Period
type: MusicAlbum
date published: 2023-09-09

Cubism
type: MusicAlbum
date published: 2023-12-09

キュビズム
type: MusicAlbum
date published: 2023-12-09

coin laundry
type: MusicAlbum
date published: 2024-03-02

コインランドリー
type: MusicAlbum
date published: 2024-03-02
track: コインランドリー
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223077
  explicit: false
  by artist: Qisano
  in album: コインランドリー
    type: MusicAlbum
    date published: 2024-03-02
  isrc code: TCJPZ2438216
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T06:17:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x51147e0a5a841cec5cb035a872ad0156330cc1b7f9150932454c1ff5fcdf72f1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958838
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2438216
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51147e0a5a841cec5cb035a872ad0156330cc1b7f9150932454c1ff5fcdf72f1. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2438216.
    date published: 2026-07-20T07:01:21Z
  audio: コインランドリー
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.352
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.68
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.76
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

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